422421200 has 30 divisors (see below), whose sum is σ = 1014867894. Its totient is φ = 168968320.

The previous prime is 422421161. The next prime is 422421211. The reversal of 422421200 is 2124224.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 20178064 + 402243136 = 4492^2 + 20056^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 527627 + ... + 528426.

Almost surely, 2^422421200 is an apocalyptic number.

422421200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422421200 is an abundant number, since it is smaller than the sum of its proper divisors (592446694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422421200 is a wasteful number, since it uses less digits than its factorization.

422421200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056071 (or 1056060 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 422421200 is about 20552.8878749435. The cubic root of 422421200 is about 750.3235344879.

Adding to 422421200 its reverse (2124224), we get a palindrome (424545424).

It can be divided in two parts, 42 and 2421200, that added together give a palindrome (2421242).

The spelling of 422421200 in words is "four hundred twenty-two million, four hundred twenty-one thousand, two hundred".